arm64: dts: NS2: Add PCI PHYs

PCI PHYs are missing from the Northstar2 DT entries for the 2 PCI buses.
Add them so that PCI devices can be discovered.
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm64/boot/dts/broadcom/ns2.dtsi

@@ -133,6 +133,9 @@ pcie0: pcie@20020000 {
 
 		status = "disabled";
 
+		phys = <&pci_phy0>;
+		phy-names = "pcie-phy";
+
 		msi-parent = <&msi0>;
 		msi0: msi@20020000 {
 			compatible = "brcm,iproc-msi";
@@ -171,6 +174,9 @@ pcie4: pcie@50020000 {
 
 		status = "disabled";
 
+		phys = <&pci_phy1>;
+		phy-names = "pcie-phy";
+
 		msi-parent = <&msi4>;
 		msi4: msi@50020000 {
 			compatible = "brcm,iproc-msi";